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Recently launched

July 2019:

AMD Ryzen 3 3200G · 3.6GHz / 4MB L3 / 4 cores / Unlocked / Socket AM4
AMD Ryzen 5 3400G · 3.7GHz / 4MB L3 / 4 cores / Unlocked / Socket AM4
AMD Ryzen 5 3600 · 3.6GHz / 32MB L3 / 6 cores / Unlocked / Socket AM4
AMD Ryzen 5 3600X · 3.8GHz / 32MB L3 / 6 cores / Unlocked / Socket AM4
AMD Ryzen 7 3700X · 3.6GHz / 32MB L3 / 8 cores / Unlocked / Socket AM4
AMD Ryzen 7 3800X · 3.9GHz / 32MB L3 / 8 cores / Unlocked / Socket AM4
AMD Ryzen 9 3900X · 3.8GHz / 64MB L3 / 12 cores / Unlocked / Socket AM4

September 2019:

AMD Ryzen 5 3500X · 3.6GHz / 32MB L3 / 6 cores / Unlocked / Socket AM4
AMD Ryzen 9 3900 · 3.1GHz / 64MB L3 / 12 cores / Unlocked / Socket AM4

October 2019:

Intel Core i9-9900KS · 4GHz / 16MB L3 / 8 cores / Unlocked / Socket 1151

November 2019:

AMD Athlon 3000G · 3.5GHz / 4MB L3 / 2 cores / Unlocked / Socket AM4
AMD Ryzen 9 3950X · 3.5GHz / 64MB L3 / 16 cores / Unlocked / Socket AM4
AMD Ryzen Threadripper 3960X · 3.8GHz / 128MB L3 / 24 cores / Unlocked / Socket sTRX4
AMD Ryzen Threadripper 3970X · 3.7GHz / 128MB L3 / 32 cores / Unlocked / Socket sTRX4

Intel Core i9-10900X · 3.7GHz / 19.2MB L3 / 10 cores / Unlocked / Socket 2066
Intel Core i9-10920X · 3.5GHz / 19.2MB L3 / 12 cores / Unlocked / Socket 2066
Intel Core i9-10940X · 3.3GHz / 19.2MB L3 / 14 cores / Unlocked / Socket 2066
Intel Core i9-10980XE · 3GHz / 24.7MB L3 / 18 cores / Unlocked / Socket 2066

February 2020:

AMD Ryzen Threadripper 3990X · 2.9GHz / 256MB L3 / 64 cores / Unlocked / Socket sTRX4

Quick Links

S-Spec database

Search S-Spec database for full or partial S-Spec number:

Combined CPU chart

Lists specifications for more than 6000 modern and vintage CPUs. Supports data sorting and filtering.

Combined S-Spec chart

Lists major features of S-Spec codes. Supports data sorting and filtering.

CPU Upgrade database

Contains CPU support data for 7000+ motherboards.

Notebook database

Notebook specs (only Acer specs for now).

CPU sockets

Socket 1150 / H3
Socket 1155 / H2
Socket FM2
Socket G2

CPU Identification:

AMD
Intel
Motorola
Zilog

S-spec numbers:

Celeron Dual-Core
Pentium Dual-Core
Core i3
Core i5
Core i7

Chip Pinouts

Pinouts of old CPUs, FPUs and microcontrollers

CPU Core names

CPU News

 RSS  CPU News

AMD launched new Ryzen Pro CPUs for business-class desktop systems. Unlike previously announced consumer-oriented Ryzen 7000 series desktop products, built on latest Zen 4 microarchitecture and manufactured on 5nm process, Ryzen Pro parts utilize older "Zen 2" and "Zen 3" architectures. "Zen 3"-based processors are Ryzen 5 PRO 5645, Ryzen 7 PRO 5845 and Ryzen 9 PRO 5945. Back in August, they were spotted in specifications of Lenovo ThinkStation P358 computer. Their characteristics are now available on the AMD website. AMD also released Ryzen 3 PRO 4355G and 4355GE "Zen 2" CPUs.   [Full story]
Site updates

Mar 24, 2024: Website enhancements for mobile devices

The CPU-World website was originally designed to be viewed on large desktop PC screens. Even though I redesigned the site in 2016, it was still tailored to desktop users. Considering that more than of half of all web traffic now comes from mobile devices, I decided to make the website mobile friendly and implement so-called "responsive web design", which adapts web pages to user's screen size by changing page layout on the fly. This approach seemed to be the most appropriate as it allowed me to keep the original CPU-World design for desktop users, while mobile users could be served pages optimized for their smaller screens.   [More]

Mar 20, 2024: Changes to CPU comparison pages

We have two types of processor comparison pages. Basic pages show specifications of two or more processors side-by-side. Detailed comparison pages show differences between specs of only two processors, but may include additional information, like pictures, benchmarks, CPUID differences, comparison highlights, and comments. Originally, pages of both types supported only processors utilizing a single CPU core microarchitecture. I modified these pages to support hybrid processors, including Intel Alder Lake and later CPUs, ...   [More]

Oct 02, 2023: August / September updates

Last month I added to the website remaining specifications of recently released AMD and Intel microprocessors, and spent some time improving scripts, used to build CPU and S-spec specification pages. I also tweaked design of S-Spec pages, and fixed a few things there.   [More]

Jun 05, 2023: May updates

Specifications of remaining Alder Lake microprocessors are now online. Additionally, I added specifications of recently launched EPYC Embedded 9004, Ryzen Embedded 5000 series, Ryzen 7020C processors for Chromebooks and Ryzen 7040 ULV series CPUs. Besides adding specifications, I spent some time updating scripts, that generate pages for different website areas.   [More]

May 08, 2023: Raptor Lake CPUs are online

I haven't finished all the work, that I planned to do in April, due to a setback. When I returned from vacation I found out that my development computer was dead. I nailed down the problem to a dead motherboard, replaced it, and only then learned that the operating system and some data on my disk was corrupted. Luckily, I had Raid 1 setup and I was able to recover data from one of the drives.   [More]

AMD announced new socket AM5 platform, that will be utilized for future desktop microprocessors. The new socket is a Land Grid Array, or LGA, type of socket with 1718 contacts, and it will be supported by upcoming X670, X670E, B650E and B650 chipsets. AMD also announced first four members of Ryzen family, compatible with the socket AM5. Two more affordable models are six-core Ryzen 5 7600X and eight-core Ryzen 7 7700X, both having 32 MB of L3 cache and 105 Watt TDP. Two top of the line processors, 12-core Ryzen 9 7900X and 16-core 7950X, feature 64 MB L3 cache, but have much higher 170 Watt TDP. New CPUs will be priced from $299 to $699 and they will be available on September 27.   [Full story]
Earlier this month, Intel introduced first budget dual- and quad-core systems on a chip, built on "Gemini Lake" design. As you may know, previous generation of processors for inexpensive desktop and notebook computers was based on "Apollo Lake" design, which was produced on 14nm technology, and combined 2 or 4 "Goldmont" CPU cores, Intel HD 500 or HD 505 graphics, DDR3 / DDR4 memory controller, and a host of I/O interfaces. "Gemini Lake" SoCs are also based on 14nm process and incorporate 2 or 4 cores, but come with a number of improvements.   [Full story]
Intel launched Xeon Phi microprocessors, codenamed "Knights Mill". Apparently designed for deep learning applications, new Xeon Phi 7235, 7285 and 7295 CPUs are produced on 14nm process and branded as "Xeon Phi x205 series". With the exception of 15% - 30% higher TDP, characteristics of "Knight Mill" Xeon Phi processors are comparable to older Xeon Phi x200 series. The CPUs are compatible with socket 3647 based systems.   [Full story]
This fall, Intel is expected to introduce first 8th generation desktop microprocessors, codenamed "Coffe Lake-S". Specifications of these processors have been leaked more than a month ago by users in the anandtech.com forum and on the ptt.cc bulletin board system. According to posted specs, Intel plans to beef up performance of 8th generation Core products by increasing the number of cores to 6 on i5 and i7 families, and to 4 on i3 family. The size of last level cache will be also increased. The leaked specs were recently confirmed by an update to socket 1151 CPU support list on the ASRock website.   [Full story]
Intel launched Skylake-based Xeon W-2123, W-2125, W-2133, W-2135, W-2145 and W-2155 microprocessors for single socket workstations. New CPUs, branded Xeon W, come with 4, 6, 8 and 10 cores, rebalanced three-level cache architecture, extra AVX-512 execution unit, quad-channel memory controller and PCIe 3.0 interface. The processors are compatible with socket 2066. Intel also announced 14-core W-2175 and 18-core W-2195 SKUs.   [Full story]
Atom C3000 series of "Denverton" systems-on-a-chip (SoCs) for server, storage, networking and Internet of Things markets was expanded with 14 new processors. The first member of the C3000 series, dual-core Atom C3338, was launched back in January. New chips, released this month, feature more cores, larger cache, more high-speed I/O lanes and support for faster DDR4 memory.   [Full story]
Intel released the fastest Xeon E3 processor for socket 1151 workstations. The CPU has a model number of E3-1285 v6, and it is manufactured on Intel's latest microarchitecture, codenamed "Kaby Lake". The processor features 200 MHz higher clocks than the former Xeon E3 v6 flagship model, the E3-1280 v6. Like all E3-12x5 v6 products, the new CPU comes with integrated graphics unit.   [Full story]
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